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violet · cool

#673c7d

a dark, soft violet · cool · closest name: Rebecca Purple

Token name suggestion: Shadow Iris

RGB
103, 60, 125
HSL
280°, 35%, 36%
CMYK
18, 52, 0, 51
Luminance
0.0760

#673c7d is a dark soft violet, 280° on the wheel and 61/100 on the cool side. Put white text on it (8.34:1). As text it scores 8.34:1 on white — safe at any size. Nearest name is Rebecca Purple, nearest Tailwind family is slate.

hsl(280 35% 36%)rgb(103 60 125)Base step 700AAA inkCool

At a glance

Every number on this page in one read: what #673c7d is made of, how bright it looks, and which way it leans.

Hex
#673c7d
Hue
280°
violet
Saturation
35%
soft
Lightness
36%
dark
Brightness
49%
HSV value
Perceived
33%
weighted brightness
Luminance
0.0760
WCAG relative
Temperature
Cool
61/100 cool
Color family
Violet
Tone
Soft
Best ink
White
8.34:1
Closest name
Rebecca Purple
ΔE2000 6.7
Chroma
43.0
LCH, 0–130ish
OKLCH L
0.436
perceptual lightness
Tailwind
slate
500 · ΔE 21.3
Web-safe
#663366
nearest of 216
Where it sits
Hue280° of 360°
Saturation35%
Lightness36%
Saturation × lightness field

Left edge is grey, right edge is full chroma; top is white, bottom is black. The dot is #673c7d.

Temperature
Warm ← → Cool61% cool

Reads cool. Warm and cool siblings keep the same lightness, so you can swap one in without redoing your contrast maths.

Luminance by channel
Red38%
Green43%
Blue19%

Green carries most of what the eye calls brightness — that is why WCAG weights it 0.7152.

Every format

HEX#673c7d
HEX (8-digit)#673c7dff
RGBrgb(103, 60, 125)
RGBArgba(103, 60, 125, 1)
HSLhsl(280, 35%, 36%)
HSV / HSBhsv(280, 52%, 49%)
HWBhwb(280 24% 51%)
CMYKcmyk(18%, 52%, 0%, 51%)
LABlab(33.1 31.2 -29.5)
LCHlch(33.1 43.0 316.6)
OKLCHoklch(0.436 0.113 313.1)
XYZ (D65)xyz(10.91, 7.60, 20.29)
Decimal6765693
Display P3color(display-p3 0.404 0.235 0.490)
Web-safe#663366

Copy-ready code

every platformclick to select
/* CSS */
color: #673c7d;
background-color: #673c7d;
/* CSS custom property */
--brand: #673c7d;
/* Tailwind (arbitrary) */
class="text-[#673c7d] bg-[#673c7d]"
/* SCSS */
$brand: #673c7d;
/* SwiftUI */
Color(red: 0.404, green: 0.235, blue: 0.490)
/* UIKit */
UIColor(red: 0.404, green: 0.235, blue: 0.490, alpha: 1)
/* Android XML */
<color name="brand">#673C7D</color>
/* Android Compose */
Color(0xFF673C7D)
/* Flutter */
Color(0xFF673C7D)
/* Python / OpenCV (BGR) */
(125, 60, 103)
/* Python / PIL (RGB) */
(103, 60, 125)
/* Java AWT */
new Color(103, 60, 125)
/* .NET */
Color.FromArgb(255, 103, 60, 125)
/* OpenGL / Unity (0–1) */
(0.4039f, 0.2353f, 0.4902f, 1f)
/* LaTeX */
\definecolor{brand}{RGB}{103,60,125}
modern cssclick to select
/* mix without leaving CSS */
background: color-mix(in oklab, #673c7d 85%, white);
border-color: color-mix(in oklab, #673c7d 40%, transparent);
/* theme-aware in one line */
color: light-dark(#472956, #E4D6EB);
/* relative colour syntax */
--hover: hsl(from #673c7d h s calc(l - 7));

Design tokens

The same ramp in the four formats a team actually needs. Paste one and the whole palette lands with it.

css custom propertiesclick to select
:root {
  --brand-50: #F8F5F9;
  --brand-100: #F1ECF4;
  --brand-200: #E1D4E8;
  --brand-300: #CDB3DB;
  --brand-400: #B48DC8;
  --brand-500: #9C67B6;
  --brand-600: #884FA5;
  --brand-700: #673c7d;
  --brand-800: #5B356E;
  --brand-900: #442951;
  --brand-950: #2A1A33;
  --brand: #673c7d;
  --brand-ink: #ffffff;
  --brand-surface: #F8F5FA;
  --brand-border: #DBC8E5;
  --brand-hover: #533065;
  --brand-pressed: #3F254D;
}
@media (prefers-color-scheme: dark) {
  :root {
    --brand-surface: #1F1424;
    --brand-ink: #E4D6EB;
  }
}
tailwind.config.jsclick to select
theme: {
  extend: {
    colors: {
      brand: {
        50: '#F8F5F9',
        100: '#F1ECF4',
        200: '#E1D4E8',
        300: '#CDB3DB',
        400: '#B48DC8',
        500: '#9C67B6',
        600: '#884FA5',
        700: '#673c7d',
        800: '#5B356E',
        900: '#442951',
        950: '#2A1A33',
        DEFAULT: '#673c7d',
      },
    },
  },
}
scss mapclick to select
$brand: (
  '50': #F8F5F9,
  '100': #F1ECF4,
  '200': #E1D4E8,
  '300': #CDB3DB,
  '400': #B48DC8,
  '500': #9C67B6,
  '600': #884FA5,
  '700': #673c7d,
  '800': #5B356E,
  '900': #442951,
  '950': #2A1A33,
);
$brand-base: #673c7d;
$brand-ink: #ffffff;

@function brand($step) { @return map-get($brand, $step); }
w3c design tokens (json)click to select
{
  "color": {
    "brand": {
      "50": { "$value": "#F8F5F9", "$type": "color" },
      "100": { "$value": "#F1ECF4", "$type": "color" },
      "200": { "$value": "#E1D4E8", "$type": "color" },
      "300": { "$value": "#CDB3DB", "$type": "color" },
      "400": { "$value": "#B48DC8", "$type": "color" },
      "500": { "$value": "#9C67B6", "$type": "color" },
      "600": { "$value": "#884FA5", "$type": "color" },
      "700": { "$value": "#673c7d", "$type": "color" },
      "800": { "$value": "#5B356E", "$type": "color" },
      "900": { "$value": "#442951", "$type": "color" },
      "950": { "$value": "#2A1A33", "$type": "color" }
    },
    "brandInk": { "$value": "#ffffff", "$type": "color" }
  }
}

Best text color

Only one of black and white can be right. This is the one, with the number that proves it.

Readable at a glance#ffffff on #673c7d · 8.34:1
Use #ffffffAAA at every size.
Aa
12px
Aa
16px
Aa
24px
Aa
White text · 8.34:1 · recommended
AA pass · AA large pass · AAA pass
Aa
Black text · 2.52:1
AA fail · AA large fail · AAA fail
Reading the other direction: #673c7d as text scores 8.34:1 on white and 2.52:1 on black.
Best tinted ink on it, if plain black or white feels flat: #F4EEF7 at 7.31:1.

Make it accessible

A contrast checker tells you that you failed. This tells you what to ship instead — same hue, same saturation, lightness moved only as far as WCAG demands.

The quick fox
#673c7d · 8.34:1
AA on whitealready passes
#673c7d
The quick fox
#673c7d · 8.34:1
AAA on whitealready passes
#673c7d
The quick fox
#955EB2 · 4.52:1
AA on black+17% L
#955EB2
The quick fox
#B187C6 · 7.15:1
AAA on black+29% L
#B187C6

Large text — 24px regular or 18.66px bold and above — only needs 3:1, so #673C7D is enough for headings on white. Non-text elements such as icons, chart strokes and focus rings also sit at 3:1 under WCAG 2.2 (1.4.11).

Accessibility — WCAG contrast

Aa
#673c7d on white: 8.34:1
AA ✓ pass · AA-large · AAA
Aa
#673c7d on black: 2.52:1
AA ✗ fail · AA-large · AAA
Against the neutral ladder

Contrast is symmetric, so each row covers both directions: #673c7d as text on that neutral, and that neutral as text on #673c7d.

NeutralRatioBoth directions
White8.34:1AaAa
Slate 507.97:1AaAa
Slate 1007.61:1AaAa
Slate 2006.76:1AaAa
Slate 3005.61:1AaAa
Slate 4003.25:1AaAa
Slate 5001.75:1AaAa
Slate 6001.10:1AaAa
Slate 7001.24:1AaAa
Slate 8001.75:1AaAa
Slate 9002.14:1AaAa
Black2.52:1AaAa
Colour vision deficiency
true color
protanopia · #2D4C7F
deuteranopia · #3A4F7B
tritanopia · #654657

Roughly one man in twelve has some form of colour vision deficiency. If any of the three panels above is hard to tell apart from a neighbouring colour in your palette, add a shape, an icon or a label so the meaning does not rest on hue alone.

Color scale — 50 to 950

A Tailwind-shaped ramp built around this exact hex. #673c7d is pinned to step 700; the rest hold its hue and let saturation ease off at the extremes so the pale end never turns neon.

#F8F5F9
#F1ECF4
#E1D4E8
#CDB3DB
#B48DC8
#9C67B6
#884FA5
#673c7d
#5B356E
#442951
#2A1A33
Base = 700Lightest = 50 · #F8F5F9Darkest = 950 · #2A1A33Text step on white = 600
Perceptual ramp — OKLCH

The same eleven steps expressed in OKLCH, where equal lightness numbers actually look equally spaced. HSL ramps go muddy in the yellows and washed out in the blues; this one does not. Modern browsers render it natively — the hex ramp above is the fallback.

50100200300400500600700800900950
oklch tokensclick to select
:root {
  --brand-50: oklch(0.97 0.028 313.1);
  --brand-100: oklch(0.94 0.045 313.1);
  --brand-200: oklch(0.88 0.068 313.1);
  --brand-300: oklch(0.80 0.088 313.1);
  --brand-400: oklch(0.72 0.104 313.1);
  --brand-500: oklch(0.64 0.113 313.1);
  --brand-600: oklch(0.56 0.113 313.1);
  --brand-700: oklch(0.48 0.106 313.1);
  --brand-800: oklch(0.40 0.095 313.1);
  --brand-900: oklch(0.32 0.079 313.1);
  --brand-950: oklch(0.24 0.062 313.1);
}

Colors that work with #673c7d

Not a palette — a role sheet. Each swatch answers one question you will hit while building the component.

Text on it#ffffff
White wins here
Surface#F8F5FA
Tinted page background
Border#DBC8E5
Hairlines and dividers
Muted text#804B9B
Captions on the surface
Accent#638138
Second voice, not a rival
Dark variant#472956
Hover, pressed, headers
Light variant#F4EEF7
Selected rows, tints
Dark surface#1F1424
Dark-mode background
Hover#533065
One step down in lightness
Pressed#3F254D
Two steps down
Disabled#9C7DAC
Chroma pulled out
Focus ring#763895
Offset from the fill so it reads
Light mode
Everything in its place

Surface, border, heading and body all derive from this one hue, so the screen stays coherent without a second palette.

Primary actionSecondaryBadge
Dark mode
Same hue, inverted

Lightness flips, hue holds. The accent stays the anchor in both themes.

Primary actionSecondaryAccent

In real components

The same eight roles, wired into the interface patterns you will actually build with them. Every state below is a computed value, not a mock-up.

Buttons and states
Save changesHoverPressedDisabled
OutlineSubtleLinkFocused
Form field
you@company.com

Focus ring uses the light variant so the field still reads as one shape.

Send me product updates
Notice
Your export is ready

The file stays available for seven days. Download it before it expires.

NewBetaDraft
Data
Storage used68%
Acme LtdActive
NorthwindTrial
GlobexActive

How to use #673c7d

Derived from its contrast, chroma and lightness — not from taste.

Works well for
  • Body text and links on white
  • Charts, tags and secondary surfaces
  • Headers, footers and dark-mode surfaces
  • Brand accents, badges and data highlights
Use with care
  • Text on black or near-black surfaces
  • Black text placed on it
  • Pairing with a same-lightness hue — edges vibrate
Minimum size as text on white
Any size
Safe as a fill behind white type
Yes
Safe as a 1px border on white
Yes

Meaning and mood

What a colour in this family tends to signal, and how this particular chroma and lightness change the reading.

creativepremiummodernimaginative

Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft.

The muted chroma softens the association — it reads considered rather than loud, which suits long-form and data-heavy screens. The low lightness adds weight and formality.

Worth knowing

Deep violets swallow detail on screens with poor gamma; check it on a cheap laptop panel.

Reads as
  • FormalityHigh
  • EnergyMedium
  • Weight64/100
  • TemperatureCool
  • ApproachabilityBalanced

Colour associations are cultural and vary by market. Treat these as a starting point for a conversation with your audience, not a finding about them.

Similar colors

One move away from this hex in each direction. Every swatch is its own page.

Color relationships

The wheel positions with their names attached, so you can grab the one you actually need.

Complementary#527D3C
Analogous left#473C7D
Analogous right#7D3C73
Split-complement 1#737D3C
Split-complement 2#3C7D47
Triadic 1#7D673C
Triadic 2#3C7D67
Tetradic#7D473C
On the wheel
Base+30°−30°+120°+240°+180°280°

#673c7d sits at 280°. Every dot is a harmony position and links to its own page in the table alongside.

RGB percentages

Red40.4%
Green23.5%
Blue49.0%
R · 0–255
103
0x67
G · 0–255
60
0x3c
B · 0–255
125
0x7d

CMYK percentages

Cyan17.6%
Magenta52.0%
Yellow0.0%
Key (black)51.0%

Total ink coverage is 121%. Most commercial presses cap around 300% — above that, sheets stop drying properly.

Color previews

#673c7d text on a black background

contrast 2.52:1

Card sample

#673c7d text on a white background

contrast 8.34:1

Card sample

#673c7d on grey

7.61:1

#673c7d on its own surface

7.71:1

#673c7d on its dark surface

2.13:1

CSS3 live lab

Text font color

The quick brown fox

color: #673c7d;
Background color
Panel with #673c7d background
background-color: #673c7d;
Text shadow — hex

Glowing headline

text-shadow: 2px 2px 8px #673c7d;
Text shadow — RGB

Soft neon halo

text-shadow: 0 0 14px rgba(103, 60, 125, 0.45);
Div box shadow
Elevated card
box-shadow: 0 12px 32px -8px rgba(103, 60, 125, 0.45);
Border & gradient
Gradient panel
border: 3px solid #673c7d;
background: linear-gradient(135deg, #673c7d, #7D3C68);
Gradient text

Gradient headline

background: linear-gradient(90deg, #673c7d, #7D3C57);
-webkit-background-clip: text;
color: transparent;
Focus ring
Focused control
outline: 2px solid #673c7d;
outline-offset: 3px;
Underline & caret

Marked up text

text-decoration-color: #673c7d;
caret-color: #673c7d;
Left rule
Pull quote or callout
border-left: 4px solid #673c7d;
Ring + tint
Selected chip
background: #F4EEF7;
box-shadow: inset 0 0 0 2px #673c7d;
Conic badge
68%
background: conic-gradient(#673c7d 68%, #e2e8f0 0);

Transparency

What each alpha value actually composites to. The top row is #673c7d over white; the bottom row is the same alpha over a checkerboard, so you can see what survives on a photo or a video.

Bottom row of hexes is the flattened result over white — use those when a design tool refuses transparency, or when you need a solid fallback.

alpha in every syntaxclick to select
rgba(103, 60, 125, 0.5)
rgb(103 60 125 / 50%)
#673c7d80
hsl(280 35% 36% / 50%)
color-mix(in srgb, #673c7d 50%, transparent)
Alpha8-digit hexFlat on white
10%#673c7d1a#F0ECF2
20%#673c7d33#E1D8E5
40%#673c7d66#C2B1CB
60%#673c7d99#A48AB1
80%#673c7dcc#856397

Gradients from #673c7d

Six recipes, each built from this hex and shown with the exact CSS that produced it.

Elevation
Same hue, three lightnesses — safe anywhere
background: linear-gradient(135deg, #8950A6, #673c7d 45%, #472956);
Duotone
A short hue run reads richer than a flat fill
background: linear-gradient(120deg, #673c7d, #683252);
Complement sweep
Loud — keep it behind large type only
background: linear-gradient(90deg, #673c7d, #527D3C);
Spotlight
Hero panels and app headers
background: radial-gradient(120% 120% at 20% 0%, #9862B3 0%, #673c7d 45%, #472956 100%);
Soft wash
Section backgrounds that stay readable
background: linear-gradient(180deg, #F8F5FA, #ffffff);
Mesh
Ambient background, no image weight
background: radial-gradient(60% 60% at 15% 20%, #534DA0 0%, transparent 60%), radial-gradient(55% 55% at 85% 15%, #92467F 0%, transparent 60%), radial-gradient(70% 70% at 50% 95%, #472956 0%, transparent 65%), #673c7d;

Monochromatic scale

Palettes built from #673c7d

Shades — darker

Tints — lighter

Tones — desaturated

Color harmonies

Nearest named colors

Ranked with CIEDE2000 across all 139 CSS keywords. Under ΔE 2 the eye stops telling them apart; over ΔE 10 they are plainly different colors.

#673c7d in the real world

Where a color in this family tends to land, and the interface roles it is usually asked to play.

Industries
Creative toolsFintechBeautyLuxury
Common UI roles
ButtonsLinksFocus statesCharts
Print note

Converts to four-color process without much drama. Proof it anyway.

On screens

Holds up across typical panel gamma. Still worth checking on an uncalibrated laptop, where mid-tones shift most.

In dark mode

Too dim on dark surfaces at 2.52:1 — lift it to #955EB2 for body text, or reserve it for fills.

Explore nearby colors

Small, deliberate steps away from this hex — useful when you are hunting for the version of a colour that finally feels right.

#673c7d, answered

What color is #673c7d?

#673c7d is a dark soft violet, closest to Rebecca Purple (ΔE2000 6.7). It sits at 280° on the hue wheel with 35% saturation and 36% lightness, which reads as cool.

What is the RGB value of #673c7d?

rgb(103, 60, 125) — 103 red, 60 green and 125 blue out of 255, or 40.4% / 23.5% / 49% by channel.

What is #673c7d in HSL and HSV?

hsl(280, 35%, 36%) and hsv(280, 52%, 49%). HSL is what CSS takes; HSV is what your design tool's picker shows, which is why the saturation numbers rarely match.

Is #673c7d a light or a dark color?

It is a dark color. Relative luminance is 0.0760 and perceived brightness is 33%, so white text on it reaches 8.34:1.

Should I use black or white text on #673c7d?

White. It scores 8.34:1 against #673c7d, versus 2.52:1 for black — AAA at any size.

Is #673c7d accessible on a white background?

#673c7d on white scores 8.34:1, which clears AAA at every size.

What is the complementary color of #673c7d?

#527D3C sits directly opposite on the wheel. Softer options are the split-complements #737D3C and #3C7D47, which give the same contrast with far less vibration.

What colors go well with #673c7d?

For interface work: #F8F5FA as the surface, #DBC8E5 for borders, #804B9B for secondary text, #638138 as an accent and #472956 for hover and pressed states. For a palette, the analogous pair #473C7D and #7D3C73 stays calm, while #527D3C is the loudest partner.

What is #673c7d in CMYK for printing?

cmyk(18%, 52%, 0%, 51%). This is a screen-to-ink approximation — ask your printer for a proof before committing to a run.

Is #673c7d warm or cool?

Cool — it scores 61 on a scale where 0 is the warmest orange and 100 the coolest azure. Nudged warmer it becomes #7D3C7B; nudged cooler, #4E3A7F.

Which Tailwind color is closest to #673c7d?

The slate family — its 500 step is #64748b, ΔE2000 21.3 away. That is a visible difference, so define #673c7d as a custom token rather than reaching for the built-in.

How do I use #673c7d in Tailwind CSS?

Inline it as an arbitrary value with bg-[#673c7d] or text-[#673c7d], or register the whole ramp under theme.extend.colors.brand so you get bg-brand-500 and friends. The generated 50–950 scale on this page is ready to paste into your config.

What is #673c7d with 50% opacity?

rgba(103, 60, 125, 0.5), or #673c7d80 in eight-digit hex. Over white that composites to #B39EBE; over black, #341E3F.

Is #673c7d a web-safe color?

No. The nearest web-safe colour is #663366, ΔE2000 5.6 away. The palette only matters for legacy displays and some email clients now.

What does the color #673c7d mean?

As a violet, it reads creative, premium, modern. Violet sits between the warmth of red and the calm of blue, so it reads as inventive without reading as risky. Current shorthand for software craft. At this moderate chroma the association is present but not shouted.

What gradient works with #673c7d?

The safest is same-hue elevation: linear-gradient(135deg, #8950A6, #673c7d 45%, #472956). For more colour, a short hue run to #683252 keeps it rich without turning muddy.

Work with #673c7d in the Color Lab

Every tool opens with this colour already loaded.

Every value on this page is computed from #673c7d at request time — conversions, contrast ratios and ΔE distances are calculated, never looked up.